How To Count Number Of Characters Using html and Javascript

hello guys , i have had an idea to make something what the title says so on i am here with a small tutorial on making what the title says . we will be using html and javascript by the waythe whole code is just 20 lines including html tags ok now open your favorite text editor and create the html tags (html,head,body) after that  go under head tag and we will use a function so put these

<script type="text/javascript"> function validateForm() { var x=document.forms["myForm"]["fname"].value; x = x.split(" ").join(""); alert(x.length); } </script>

alright now go under body tag and put these

Insert text to You want to count: 

ok now save it as you want dont forget to give the extension to php or html , i recommend php

here is a preview of what you created